19'' retail tablet PC 1.5w resistive touch screen 2.android ... OS 3.built-in WiFi 4.portrait mode,16:9 19'' retail tablet PC1.5-wire resistive touchscreen2.android based3.built ... .16:9 aspect ratio,portrait mode6.swivel stand,can easily adjust the veiwing angle7.stand seperatable,easily install and tear down8.whole ...